Mary has ____ bag. ( )

A．two orange

B．an orange

C．a orange

We can have ________ outing in _______autumn.  (   )

A．a , a

B．an , an

C．an , /

D．the , the

Mr. Wang is_______ English teacher.   （    ）

A．a

B．these

C．an

选择正确的单词
1. Jenny and Danny arrive __________ (on, in) Shijiazhuang today.
2. Did you have __________ (a, an) nice trip?
3. I want to __________ (take, by) a bus to Beijing.
4. __________ (How, What) can we go to Beijing?
5. We will arrive in Beijing __________ (in, at) the afternoon.

I have ____________ English book. (   )

A．a

B．an